1
2 #ifndef SW_HELPER_H
3 #define SW_HELPER_H
4
5 #include "pipe/p_compiler.h"
6 #include "util/u_debug.h"
7 #include "util/debug.h"
8 #include "target-helpers/sw_helper_public.h"
9 #include "frontend/sw_winsys.h"
10
11
12 /* Helper function to choose and instantiate one of the software rasterizers:
13 * llvmpipe, softpipe, swr.
14 */
15
16 #ifdef GALLIUM_ZINK
17 #include "zink/zink_public.h"
18 #endif
19
20 #ifdef GALLIUM_D3D12
21 #include "d3d12/d3d12_public.h"
22 #endif
23
24 #ifdef GALLIUM_ASAHI
25 #include "asahi/agx_public.h"
26 #endif
27
28 #ifdef GALLIUM_SOFTPIPE
29 #include "softpipe/sp_public.h"
30 #endif
31
32 #ifdef GALLIUM_LLVMPIPE
33 #include "llvmpipe/lp_public.h"
34 #endif
35
36 #ifdef GALLIUM_SWR
37 #include "swr/swr_public.h"
38 #endif
39
40 #ifdef GALLIUM_VIRGL
41 #include "virgl/virgl_public.h"
42 #include "virgl/vtest/virgl_vtest_public.h"
43 #endif
44
45 static inline struct pipe_screen *
sw_screen_create_named(struct sw_winsys * winsys,const char * driver)46 sw_screen_create_named(struct sw_winsys *winsys, const char *driver)
47 {
48 struct pipe_screen *screen = NULL;
49
50 #if defined(GALLIUM_LLVMPIPE)
51 if (screen == NULL && strcmp(driver, "llvmpipe") == 0)
52 screen = llvmpipe_create_screen(winsys);
53 #endif
54
55 #if defined(GALLIUM_VIRGL)
56 if (screen == NULL && strcmp(driver, "virpipe") == 0) {
57 struct virgl_winsys *vws;
58 vws = virgl_vtest_winsys_wrap(winsys);
59 screen = virgl_create_screen(vws, NULL);
60 }
61 #endif
62
63 #if defined(GALLIUM_SOFTPIPE)
64 if (screen == NULL && strcmp(driver, "softpipe") == 0)
65 screen = softpipe_create_screen(winsys);
66 #endif
67
68 #if defined(GALLIUM_SWR)
69 if (screen == NULL && strcmp(driver, "swr") == 0)
70 screen = swr_create_screen(winsys);
71 #endif
72
73 #if defined(GALLIUM_ZINK)
74 if (screen == NULL && strcmp(driver, "zink") == 0)
75 screen = zink_create_screen(winsys);
76 #endif
77
78 #if defined(GALLIUM_D3D12)
79 if (screen == NULL && strcmp(driver, "d3d12") == 0)
80 screen = d3d12_create_dxcore_screen(winsys, NULL);
81 #endif
82
83 #if defined(GALLIUM_ASAHI)
84 if (screen == NULL && strcmp(driver, "asahi") == 0)
85 screen = agx_screen_create(winsys);
86 #endif
87
88 return screen;
89 }
90
91 struct pipe_screen *
sw_screen_create_vk(struct sw_winsys * winsys,bool sw_vk)92 sw_screen_create_vk(struct sw_winsys *winsys, bool sw_vk)
93 {
94 UNUSED bool only_sw = env_var_as_boolean("LIBGL_ALWAYS_SOFTWARE", false);
95 const char *drivers[] = {
96 (sw_vk ? "" : debug_get_option("GALLIUM_DRIVER", "")),
97 #if defined(GALLIUM_D3D12)
98 (sw_vk || only_sw) ? "" : "d3d12",
99 #endif
100 #if defined(GALLIUM_ASAHI)
101 (sw_vk || only_sw) ? "" : "asahi",
102 #endif
103 #if defined(GALLIUM_LLVMPIPE)
104 "llvmpipe",
105 #endif
106 #if defined(GALLIUM_SOFTPIPE)
107 sw_vk ? "" : "softpipe",
108 #endif
109 #if defined(GALLIUM_SWR)
110 sw_vk ? "" : "swr",
111 #endif
112 #if defined(GALLIUM_ZINK)
113 (sw_vk || only_sw) ? "" : "zink",
114 #endif
115 };
116
117 for (unsigned i = 0; i < ARRAY_SIZE(drivers); i++) {
118 struct pipe_screen *screen = sw_screen_create_named(winsys, drivers[i]);
119 if (screen)
120 return screen;
121 /* If the env var is set, don't keep trying things */
122 else if (i == 0 && drivers[i][0] != '\0')
123 return NULL;
124 }
125 return NULL;
126 }
127
128 struct pipe_screen *
sw_screen_create(struct sw_winsys * winsys)129 sw_screen_create(struct sw_winsys *winsys)
130 {
131 return sw_screen_create_vk(winsys, false);
132 }
133 #endif
134